<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区 -->
    <el-card class="box-card">
      <!-- 搜索与添加区 -->
      <div style="margin-top: 15px;">
        <!-- 用了栅格系统 -->
        <el-row :gutter="20">
          <!-- 第一行 -->
          <el-col :span="12">
            <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
              <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
            </el-input>
          </el-col>
          <!--  -->
          <el-col :span="4">
            <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
          </el-col>
        </el-row>
      </div>

      <!-- 用户列表区 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <!-- 索引列 -->
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column prop="email" label="邮箱"></el-table-column>
        <el-table-column prop="mobile" label="电话"> </el-table-column>
        <el-table-column prop="role_name" label="角色"> </el-table-column>
        <el-table-column label="状态">
          <!-- 作用域插槽 -->
          <template slot-scope="scope">
            {{ scope.row.mg_state }}
            <!-- ui的开关状态 -->
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
          <!--  -->
        </el-table-column>

        <el-table-column label="操作" width="180px">
          <!-- 作用域插槽 -->
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <!-- 删除按钮 -->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="open(scope.row.id)"></el-button>
            <!-- 文字提示组件 -->
            <el-tooltip class="item" effect="dark" content="分配角色" placement="top-start" :enterable="false">
              <!-- 分配角色 -->
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!--  -->
      <!-- 分页组件 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 3, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
      <!-- 添加用户的对话框 -->
      <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="adddialogClose">
        <!-- 内容主题区域 -->
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">
            取 消
          </el-button>
          <el-button type="primary" @click="addUser">
            确 定
          </el-button>
        </span>
      </el-dialog>

      <!-- 修改用户的对话框 -->
      <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClose">
        <el-form :model="ediForm" :rules="ediFormRules" ref="ediFormRef" label-width="70px">
          <el-form-item label="用户名">
            <el-input v-model="ediForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="ediForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="ediForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">
            取 消
          </el-button>
          <el-button type="primary" @click="editUserInfo">
            确 定
          </el-button>
        </span>
      </el-dialog>
      <!-- 分配角色的对话框 -->
      <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="closeRole">
        <div>
          <el-form :model="userInfoRole" label-width="80px">
            <el-form-item label="用户id">
              <el-input v-model="userInfoRole.id" disabled></el-input>
            </el-form-item>
            <el-form-item label="用户名称">
              <el-input v-model="userInfoRole.username" disabled></el-input>
            </el-form-item>
            <el-form-item label="角色名称">
              <el-select v-model="selectRle" placeholder="请选择">
                <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id"> </el-option>
              </el-select>
            </el-form-item>
          </el-form>
        </div>
        <span slot="footer" class="dialog-footer">
          <el-button @click="setRoleDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="saveRole">确 定</el-button>
        </span>
      </el-dialog>
    </el-card>
  </div>
</template>
<script>
export default {
  data() {
    // 自定义添加验证邮箱的规则
    var checkEmail = (rule, value, callback) => {
      var regEmail = /^[A-Za-z\d]+([-_.][A-Za-z\d]+)*@([A-Za-z\d]+[-.])+[A-Za-z\d]{2,4}$/
      if (regEmail.test(value)) {
        return callback()
      }
      callback(new Error("请输入合法的邮箱"))
    }
    // 验证手机号的规则
    var checkMobile = (rule, value, callback) => {
      var regMobile = /^[1][3,4,5,7,8][0-9]{9}$/
      if (regMobile.test(value)) {
        return callback()
      }
      callback(new Error("请输入合法的手机号"))
    }
    return {
      // 获取用户列表的参数对象
      queryInfo: {
        // 搜索绑定的关键字
        query: "",
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 2
      },
      userlist: [],
      // 总共有多少条数据
      total: 0,
      // 控制添加对话框的显示与隐藏
      addDialogVisible: false,
      // 添加用户的表单数据
      addForm: { username: "", password: "", email: "", mobile: "" },
      // 添加用户表单的验证规则
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 3, max: 5, message: "长度在 3 到 5 个字符", trigger: "blur" }
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, max: 12, message: "长度在 6 到 12个字符", trigger: "blur" }
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" }
        ],
        mobile: [
          { required: true, message: "请输入mobile", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" }
        ]
      },
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户信息数据 后端接口的数据渲染到这了
      ediForm: {},
      // 修改用户信息的验证规则
      ediFormRules: {
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" }
        ],
        mobile: [
          { required: true, message: "请输入mobile", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" }
        ]
      },
      // 控制分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      // 要分配角色的当前用户的信息
      userInfoRole: {},
      // 存储角色列表的信息
      rolesList: [],
      // 分配角色的selsect 的id
      selectRle: ""
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error("获取用户数据列表失败")
      } else {
        this.userlist = res.data.users
        this.total = res.data.total
      }
      console.log(res.data)
    },
    // 监听 pagesize 改变的事件
    handleSizeChange(newSize) {
      console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听页码值改变的事件
    handleCurrentChange(newPage) {
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    //监听开关的状态的改变
    async userStateChanged(userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error("更新用户状态失败")
      }
      this.$message.success("更新用户状态成功")
    },
    // 清空添加用户表单的信息
    adddialogClose() {
      this.$refs.addFormRef.resetFields()
    },
    // 添加确认添加新用户
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        console.log(valid) //true false
        if (!valid) {
          return
        }
        // 当验证成功调用添加用户的接口
        const { data: res } = await this.$http.post("users", this.addForm)
        console.log(res)
        if (res.meta.status !== 201) {
          this.$message.error("添加用户失败")
        }
        this.$message.success("添加用户成功")
        // 隐藏添加用户的对话框 ui提供
        this.addDialogVisible = false
        // 重新获取用户数据
        this.getUserList()
      })
    },
    // 展示单击的当前要修改的用户列表中的用户 根据用户id查询用户信息
    async showEditDialog(id) {
      console.log(id)
      const { data: res } = await this.$http.get("users/" + id)
      if (res.meta.status !== 200) return
      console.log(res.data)
      this.ediForm = res.data
      this.editDialogVisible = true
    },
    // 监听修改用户对话框的关闭事件
    editDialogClose() {
      // 调用ui提供的重置操作
      this.$refs.ediFormRef.resetFields()
    },
    // 点击修改用户信息并提交
    editUserInfo() {
      // 先得做自我验证看格式有没有过关
      this.$refs.ediFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.put("users/" + this.ediForm.id, {
          email: this.ediForm.email,
          mobile: this.ediForm.mobile
        })
        console.log(res)
        if (res.meta.status !== 200) return this.$message.error("更新用户信息失败")
        this.$message.success("更新用户成功")
        // 隐藏添加用户的对话框 ui提供
        this.editDialogVisible = false
        // 重新获取用户数据
        this.getUserList()
      })
    },
    // 删除按钮的警告弹框
    async open(id) {
      const confirmResult = await this.$confirm("此操作将永久删除该文件, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).catch(error => error)
      if (confirmResult !== "confirm") return this.$message.info("已取消删除")
      const { data: res } = await this.$http.delete("users/" + id)
      console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error("删除用户失败")
      }
      this.$message.success("删除用户成功")
      // 隐藏添加用户的对话框 ui提供
      this.editDialogVisible = false
      // 重新获取用户数据
      this.getUserList()
    },
    // 展示分配角色的对话框
    async setRole(role) {
      this.userInfoRole = role
      const { data: res } = await this.$http.get("roles")
      if (res.meta.status !== 200) return this.$message.error("获取角色列表失败")
      this.rolesList = res.data
      console.log(res)
      this.setRoleDialogVisible = true
    },
    // 分配角色的确认按钮
    async saveRole() {
      if (!this.selectRle) return this.$message.info("请选择角色")
      const { data: res } = await this.$http.put(`users/${this.userInfoRole.id}/role`, {
        rid: this.selectRle
      })
      console.log(res)

      if (res.meta.status !== 200) {
        this.setRoleDialogVisible = false
        return this.$message.error(res.meta.msg)
      }
      this.$message.success("分配角色成功")
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    // 关闭分配角色的对话框的时候 select 里面数据清空
    closeRole() {
      this.selectRle = ""
      this.userInfoRole = {}
    }
  }
}
</script>
<style lang="less" scoped>
.el-card {
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1) !important;
}
.el-table {
  margin-top: 15px;
  font-size: 12px;
}
.el-pagination {
  margin-top: 15px;
}
</style>
